LG MULTI V S ARUN048GSS4 - Outdoor Unit Error Codes (Continued)

70
MULTI V S System Installation Manual
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Table 49: Outdoor Unit Error Codes, continued.
Error Code 'HVFULSWLRQ 'HWDLOV
Outdoor Unit
145*
Communication error between outdoor unit main
board and external board.
Outdoor unit main board to external board communication
failure.
1 5 1 * Outdoor unit operation mode conversion error. Failure of operation mode conversion at outdoor unit.
153*
Outdoor unit upper heat exchanger temperature
sensor error.
• Check the connection at the socket on the outdoor unit PCB.
• Thermistor has disconnected or short circuited.
154*
Outdoor unit lower heat exchanger temperature
sensor error.
• Check the connection at the socket on the outdoor unit PCB.
• Thermistor has disconnected or short circuited.
182*
Communication error between outdoor unit external
ERDUGPDLQDQGVXE0,&20V
2XWGRRUXQLWH[WHUQDOERDUGPDLQWRVXE0,&20V
communication failure.
193*
Excessive increase in outdoor unit fan heatsink
temperature.
System has shut off because outdoor unit fan heatsink tempera-
ture is >203°F.
194*
0DVWHURXWGRRUXQLWIDQKHDWVLQNWHPSHUDWXUH
sensor error.
Disconnection or short circuit of master outdoor unit fan heat-
sink temperature sensor.
For detailed information on how to troubleshoot each error, see the Multi V S Service Manual on www.lg-vrf.com.
ERROR CODE TABLES